There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

A website that lets users simulate a nuclear attack has seen an uptick in users amid the ongoing war with Iran.

In 1961, the Soviet Union detonated the most powerful nuclear weapon ever built. Known as Tsar Bomba, the explosion was over 3,800 times stronger than Hiroshima. It was never designed for battlefield ...